Malicious PDF — malware analysis report

Heuristics 4

• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• External URI info PDF_URI
  PDF contains an external URL action
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://signforcover.com/?attachment=flexed&leliegracht=happening.pany.prokinetics.scrimmage.ZG93bmxvYWR8cjJRWTNwNk5IeDhNVFkzTVRjNU56Y3lOM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.QWRvYmUgUGhvdG9zaG9wIDIwMjEgKFZlcnNpb24gMjIuMS4wKQQWR PDF link annotation

  • https://jemi.so/7contquiMimhi/posts/GHfoMUDCjZ2bMgfavldFIn PDF document text
  • https://jemi.so/8maufaYconfru/posts/wnQZQKkr1O3ZeqCU8AdWIn PDF document text
  • https://jemi.so/simpguprocta/posts/gfc2a9GbwbLbxhEtVOvRIn PDF document text
  • https://jemi.so/8maufaYconfru/posts/JOZoNw5gaZYZ6ZwxDiXyIn PDF document text
  • https://jemi.so/simpguprocta/posts/QYcvraNEM9MeHkoNUJbRIn PDF document text
  • https://jemi.so/8maufaYconfru/posts/5zqWYw6rijrtXJHj5k8BIn PDF document text
  • https://jemi.so/desctictive/posts/v2LqUjgry7YpFwPYYz7CIn PDF document text
  • https://jemi.so/8maufaYconfru/posts/PyZQLn1wAV6PY5xUioGUIn PDF document text
  • https://jemi.so/simpguprocta/posts/vdS9LOvkJAnqrv7BgAYqIn PDF document text
  • https://jemi.so/desctictive/posts/9kLS503U0Rzx1CA4pN6DIn PDF document text
  • http://signforcover.com/?attachment=flexed&leliegracht=happening.pany.prokinetics.scrimmage.zg93bmxvywr8cjjrwtnwnk5iedhnvfkztvrjnu56y3lom3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.qwrvymugughvdg9zag9widiwmjegkfzlcnnpb24gmjiums4wkqqwrIn PDF document text
  • http://dejavu.sourceforge.netIn extracted file (stream_006_off0000411a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000411a.bin)

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